CN105513377A - Multi-mode mutual feedback traffic signal control method - Google Patents
Multi-mode mutual feedback traffic signal control method Download PDFInfo
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- CN105513377A CN105513377A CN201510959986.XA CN201510959986A CN105513377A CN 105513377 A CN105513377 A CN 105513377A CN 201510959986 A CN201510959986 A CN 201510959986A CN 105513377 A CN105513377 A CN 105513377A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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Abstract
The invention provides a multi-mode mutual feedback traffic signal control method comprising the following steps: calling a variety of detection devices to make a real-time statistical analysis of vehicle flow information of an intersection; calculating the vehicle flow weight in each direction of the intersection according to the multi-mode vehicle flow information fed back by the detection devices, and assigning vehicle flow passing time for each direction of the intersection according to a weight strategy; sending the vehicle flow passing time to a traffic signal control machine of the intersection, and controlling the display time of the signal lamp in each direction by use of the control strategy of the traffic signal control machine. Based on the principle of mutual feedback, the control state of a signal lamp can be changed in real time according to the vehicle flow information of the intersection, the utilization rate of road traffic is maximized, the road resources are fully utilized, smooth traffic is ensured, and urban traffic congestion is solved or greatly alleviated.
Description
Technical field
The present invention relates to technical field of intelligent traffic, particularly relate to a kind of multi-mode mutual feedback traffic signal control method.
Background technology
At society, signal lamp has become the most effective, the modal method of the vehicle that relieves traffic congestion, and is the indispensable part of each traffic intersection.But along with the progress of expanding economy, society, automobile quantity sharply increases, and urban transportation is day by day crowded.The drawback also exposed day by day that classical signal lamp exists.Wherein control mode is too inflexible, and can not reach the best traffic efficiency of road is the most obvious problem.At present, the control method that the signal lamp in most of city adopts is: the time delay of a setting time control signal lamp, controls traffic status in changeless mode.But in fact car flow information is in constantly change, has very big-difference in different sections or in the different time car flow information in same section.The situation that so just unavoidable appearance is such: the vehicle flowrate of a direction but needs very greatly to wait for red light, and other direction vehicle flowrate Hen little Huo Kong road but gives a green light always.These phenomenons not only reduce the traffic efficiency of road, also cause very large waste to human and material resources.
Summary of the invention
The invention provides a kind of multi-mode mutual feedback traffic signal control method, the problem of control strategy cannot be adjusted in real time according to actual car flow information in order to solve signal lamp in prior art, make signal lamp can carry out the conversion in cycle according to actual car flow information, reasonably make use of path resource, alleviate the congestion of road, also accelerate the process of Development of Urbanization simultaneously.
The invention provides a kind of multi-mode mutual feedback traffic signal control method, comprising:
Call the car flow information of multiple checkout equipment real-time statistics by intersection;
According to the wagon flow weight of the multi-mode car flow information calculating intersection all directions that multiple checkout equipment feeds back, and distribute the wagon flow transit time of described intersection all directions according to Weight Algorithm;
Described wagon flow transit time is sent to traffic signal controlling machine, is controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine.
Preferably, described in call multiple checkout equipment real-time statistics by the car flow information of intersection, comprise further:
Call the vehicle pictures of camera shooting by described intersection of intersection, and add up the car flow information in described vehicle pictures by image converter.
Preferably, described in call multiple checkout equipment real-time statistics by the car flow information of intersection, comprise further:
Call and be preset in coil checkout equipment and coil signal receiving equipment on all directions road of intersection, add up the car flow information on described road according to the number of times making the induced signal of cutting magnetic induction coil motion of coil signal receiving equipment reception.
Preferably, described in call multiple checkout equipment real-time statistics by the car flow information of intersection, comprise further:
Call the wireless geomagnetism Coil Detector equipment on all directions road of intersection of being preset in and Geomagnetic signal receiving equipment, the number of times of the wireless earth induction signal received according to described Geomagnetic signal receiving equipment adds up the car flow information on described road.
Preferably, the described multi-mode car flow information fed back according to multiple checkout equipment calculates the wagon flow weight of intersection all directions, comprises further:
By the type of multiple checkout equipment identification vehicle, set the weight of dissimilar vehicle, and obtain described wagon flow weight by cumulative for the weight of vehicle dissimilar on road.
Multi-mode mutual feedback traffic signal control method provided by the invention, also comprises:
Add up the car flow information in each track, and according to the car flow information in each track, the current direction indication of changing Lane.
Preferably, described described wagon flow transit time is sent to traffic signal controlling machine, is controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine, comprise further:
Described wagon flow transit time is sent to traffic signal controlling machine in the mode of countdown, controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine, and according to the described wagon flow transit time synchronous adjustment of real-time change the display state of signal lamp.
Preferably, described car flow information comprises: one or more in vehicle flowrate, flow speeds, wagon flow holding time, time headway.
Multi-mode mutual feedback traffic signal control method provided by the invention, utilize the principle of mutual feedback, achieve the state of a control of the car flow information real-time transform signal lamp according to intersection, improve road traffic utilization factor to greatest extent, take full advantage of path resource, and then further ensure that and have a good transport and communication network, solve or greatly alleviate the traffic jam issue in city.
Accompanying drawing explanation
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is multi-mode mutual feedback traffic signal control method process flow diagram of the present invention;
Fig. 2 is multi-mode mutual feedback traffic signal control method embodiment process flow diagram of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Multi-mode mutual feedback traffic signal control method provided by the invention, can be applicable to the traffic administration of intersection, the car flow information data fed back by various modes, the car flow information of intersection is precisely added up, and the wagon flow transit time of intersection all directions is distributed according to real-time car flow information situation, thus the transport information control program utilizing path resource reasonably, is fully provided, ensure that and have a good transport and communication network, solve or greatly alleviate the traffic jam issue in city.
Below with reference to accompanying drawing, the embodiment of the present invention is elaborated.
With reference to figure 1, the embodiment of the present invention provides a kind of multi-mode mutual feedback traffic signal control method, comprising:
S101, calls the car flow information of multiple checkout equipment real-time statistics by intersection;
S102, according to the wagon flow weight of the multi-mode car flow information calculating intersection all directions that multiple checkout equipment feeds back, and distributes the wagon flow transit time of described intersection all directions according to Weight Algorithm;
S103, is sent to traffic signal controlling machine by described wagon flow transit time, is controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine.
Wherein, in step S101, multiple checkout equipment is utilized to add up car flow information by intersection respectively, step S102 carries out the accumulation calculating of weight according to the car flow information data of the various modes fed back in step S101, obtain wagon flow weight, distribute the wagon flow transit time of all directions according to Weight Algorithm afterwards, described Weight Algorithm can be directly to the enough wagon flow of the distribution in the high direction of wagon flow weight with line time until its wagon flow weight lower than other direction; Or the difference range exceeding the wagon flow weight in other direction according to the wagon flow weight in certain direction is defined as the wagon flow transit time number of seconds of the high direction increase of wagon flow weight.Finally, described wagon flow transit time is sent to signal lamp and shows by step S103.
In the present embodiment, the car flow information of being added up by multiple checkout equipment carries out mutual feedback process, more accurate to the judgement of car flow information, the distribution of wagon flow transit time is not directly carried out according to car flow information, but distribute according to wagon flow weight, take into full account the complicacy of vehicle on road, and provide solution route for tackling emergency situations, thus the accurate control achieved traffic signals, ensure that the reasonable distribution of the path resource of intersection.
Below be explained in detail by the concrete scheme of the car flow information of intersection calling multiple checkout equipment real-time statistics in step S101 with multiple embodiment again.
Calling multiple checkout equipment real-time statistics by the mode of the car flow information of intersection can be: the vehicle pictures of camera shooting by described intersection calling intersection, and adds up the car flow information in described vehicle pictures by image converter.
In the manner, utilize the camera being erected at intersection, the vehicle pictures of captured in real-time process, and will the statistics of quantity as car flow information of vehicle be clapped.The form of statistics can be the number of times that video camera performs shooting, or adds up according to the vehicle fleet size in image converter calculating vehicle picture, and the present invention is not specifically limited this.
Calling multiple checkout equipment real-time statistics by the mode of the car flow information of intersection can be: call and be preset in coil checkout equipment and coil signal receiving equipment on all directions road of intersection, adds up the car flow information on described road according to the number of times making the induced signal of cutting magnetic induction coil motion of coil signal receiving equipment reception.
In the manner, Coil Detector equipment is embedded on predetermined road, when vehicle is by being embedded in the Coil Detector equipment at predetermined road, cutting magnetic induction line motion done by vehicle, thus generation induced signal sends coil signal receiving equipment to, coil signal receiving equipment is according to the number of times statistics car flow information of the induced signal received.
Calling multiple checkout equipment real-time statistics by the mode of the car flow information of intersection can also be: call the wireless geomagnetism Coil Detector equipment on all directions road of intersection of being preset in and Geomagnetic signal receiving equipment, and the number of times of the wireless earth induction signal received according to described Geomagnetic signal receiving equipment adds up the car flow information on described road.
In the manner, wireless geomagnetism checkout equipment interval be embedded on predetermined road, when vehicle sails the wireless geomagnetism checkout equipment be embedded at predetermined road into, produce induced signal and send Geomagnetic signal receiving equipment to, Geomagnetic signal receiving equipment is according to the number of times statistics car flow information receiving induced signal.Wherein wireless geomagnetism checkout equipment can adopt ZigBee technology, the quantity of the special car such as bus, emergency tender on statistics road.
More than provide only three kinds and call the embodiment of multiple checkout equipment real-time statistics by the car flow information of intersection, but the present invention is not limited to this, the scheme that other checkout equipment carries out car flow information statistics also belongs to protection scope of the present invention.Add up car flow information in different modalities by multiple checkout equipment and can obtain statistics more accurately, not only can know the quantity of vehicle, also can know the type, transport condition etc. of vehicle, the quantity of such as bus, vehicle are fast passings or block up the information such as impassable.Distribution for wagon flow transit time provides and more precisely, more comprehensively distributes foundation.
Below with an embodiment, the technical scheme that the multi-mode car flow information fed back according to multiple checkout equipment in step S102 calculates the wagon flow weight of intersection all directions is described in detail again.
In step S102, by the type of multiple checkout equipment identification vehicle, set the weight of dissimilar vehicle, and obtain described wagon flow weight by cumulative for the weight of vehicle dissimilar on road.
In the present embodiment, for different weights preset by dissimilar vehicle, such as, higher weight preset by the vehicle that can be the specific type such as bus, emergency tender, to realize the without hindrance current scheme of public traffic in priority scheme or emergency tender, when bus increasing number on a direction, the wagon flow weight in this direction must increase, and now can be this direction and distributes wagon flow transit time immediately to realize the priority pass of bus.
With reference to figure 2, in another embodiment of the present invention, additionally provide a kind of traffic signal control method of changeable driveway, based on above-mentioned steps S101 ~ 103, in the present embodiment, step S101 calls the car flow information of multiple checkout equipment real-time statistics by each track, intersection particularly, and the multi-mode car flow information that step S102 then feeds back according to multiple checkout equipment calculates the wagon flow weight in each track, intersection, the current direction indication of changing Lane.Such as, when the wagon flow weight of left turn lane is comparatively large, and when the wagon flow weight of Through Lane is less, can be that left turn lane is to realize the fast passing of left turning vehicle by the execution lane changing of the leftmost side temporarily.In the present embodiment, signal lamp need adopt divided lane to show the form allowing current direction, thered is provided before carrying out the current direction indication of changing Lane warning surge time, with avoid front vehicles when the unknown changing Lane pass through direction affect subsequent vehicle.
The present embodiment takes full advantage of path resource, flexibly the current indicating means in each track of adjustment, achieves intelligent traffic and controls.
Below in step S103, described wagon flow transit time is sent to traffic signal controlling machine with an embodiment again, the technical scheme being controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine is described in detail.
In step S103, described wagon flow transit time is sent to traffic signal controlling machine in the mode of countdown, controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine, and according to the described wagon flow transit time synchronous adjustment of real-time change the display state of signal lamp.
The mode of countdown is that vehicle provides can reaction time of anticipation, the vehicle pass-through time in certain direction is when changing, surge time reserved by the vehicle that can be other direction, such as, when east-west direction needs priority pass, and the vehicle pass-through time of North and South direction also remains 20 seconds, can will be adjusted to 8 seconds excess time when the 19th of excess time second, and carry out countdown display to 8 seconds, to make the vehicle of North and South direction obtain surge time, the operations such as emergency brake are avoided to cause traffic hazard.
In addition, above in each embodiment, described car flow information comprises: vehicle flowrate, flow speeds, wagon flow holding time, time headway etc., and the determination for wagon flow weight provides more multi-faceted data reference, thus determines the control strategy more tallying with the actual situation, more optimize.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that each embodiment can add required general hardware platform by software and realize, and can certainly pass through hardware.Based on such understanding, technique scheme can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can store in a computer-readable storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment or embodiment.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a multi-mode mutual feedback traffic signal control method, is characterized in that, comprising:
Call the car flow information of multiple checkout equipment real-time statistics by intersection;
According to the wagon flow weight of the multi-mode car flow information calculating intersection all directions that multiple checkout equipment feeds back, and distribute the wagon flow transit time of described intersection all directions according to Weight Algorithm;
Described wagon flow transit time is sent to traffic signal controlling machine, is controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine.
2. method according to claim 1, is characterized in that, described in call multiple checkout equipment real-time statistics by the car flow information of intersection, comprise further:
Call the vehicle pictures of camera shooting by described intersection of intersection, and add up the car flow information in described vehicle pictures by image converter.
3. method according to claim 1, is characterized in that, described in call multiple checkout equipment real-time statistics by the car flow information of intersection, comprise further:
Call and be preset in coil checkout equipment and coil signal receiving equipment on all directions road of intersection, add up the car flow information on described road according to the number of times making the induced signal of cutting magnetic induction coil motion of coil signal receiving equipment reception.
4. method according to claim 1, is characterized in that, described in call multiple checkout equipment real-time statistics by the car flow information of intersection, comprise further:
Call the wireless geomagnetism Coil Detector equipment on all directions road of intersection of being preset in and Geomagnetic signal receiving equipment, the number of times of the wireless earth induction signal received according to described Geomagnetic signal receiving equipment adds up the car flow information on described road.
5. method according to claim 1, is characterized in that, the described multi-mode car flow information fed back according to multiple checkout equipment calculates the wagon flow weight of intersection all directions, comprises further:
By the type of multiple checkout equipment identification vehicle, set the weight of dissimilar vehicle, and obtain described wagon flow weight by cumulative for the weight of vehicle dissimilar on road.
6. method according to claim 1, is characterized in that, also comprises:
Add up the car flow information in each track, and according to the car flow information in each track, the current direction indication of changing Lane.
7. method according to claim 1, is characterized in that, described described wagon flow transit time is sent to traffic signal controlling machine, is controlled the displaying time of all directions signal lamp, comprise further by the control strategy of traffic signal controlling machine:
Described wagon flow transit time is sent to traffic signal controlling machine in the mode of countdown, controlled the displaying time of all directions signal lamp by the control strategy of traffic signal controlling machine, and according to the described wagon flow transit time synchronous adjustment of real-time change the display state of signal lamp.
8. the method according to any one of claim 1 ~ 7, is characterized in that, described car flow information comprises: one or more in vehicle flowrate, flow speeds, wagon flow holding time, time headway.
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| CN201510959986.XA CN105513377A (en) | 2015-12-18 | 2015-12-18 | Multi-mode mutual feedback traffic signal control method |
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| CN201510959986.XA CN105513377A (en) | 2015-12-18 | 2015-12-18 | Multi-mode mutual feedback traffic signal control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869416A (en) * | 2016-06-12 | 2016-08-17 | 京东方科技集团股份有限公司 | Traffic signal control device, control method and control system |
| CN106251652A (en) * | 2016-08-26 | 2016-12-21 | 吉安市永安交通设施有限公司 | Lamp system and control method thereof |
| CN106504548A (en) * | 2016-10-27 | 2017-03-15 | 李永刚 | Traffic lights intelligent control method and system |
| CN106530758A (en) * | 2016-10-31 | 2017-03-22 | 安徽科力信息产业有限责任公司 | Method, apparatus and system for adjusting control parameter of annunciator automatically by using internet |
| CN106960584A (en) * | 2017-05-22 | 2017-07-18 | 中南大学 | A kind of traffic control method and device of self adaptation crossroad traffic signal lamp |
| CN108389403A (en) * | 2018-04-23 | 2018-08-10 | 白冰 | The traffic lights and speed(-)limit sign intelligent adjusting method captured based on vehicle flowrate |
| CN114973708A (en) * | 2022-06-28 | 2022-08-30 | 杭州海康威视数字技术股份有限公司 | Traffic signal lamp control method and device and storage medium |
-
2015
- 2015-12-18 CN CN201510959986.XA patent/CN105513377A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869416A (en) * | 2016-06-12 | 2016-08-17 | 京东方科技集团股份有限公司 | Traffic signal control device, control method and control system |
| WO2017215365A1 (en) * | 2016-06-12 | 2017-12-21 | Boe Technology Group Co., Ltd. | Traffic light control device, method, and system |
| CN106251652A (en) * | 2016-08-26 | 2016-12-21 | 吉安市永安交通设施有限公司 | Lamp system and control method thereof |
| CN106251652B (en) * | 2016-08-26 | 2018-03-27 | 吉安市永安交通设施有限公司 | Lamp system and its control method |
| CN106504548A (en) * | 2016-10-27 | 2017-03-15 | 李永刚 | Traffic lights intelligent control method and system |
| CN106504548B (en) * | 2016-10-27 | 2019-04-09 | 广州子灵信息科技有限公司 | Traffic lights intelligent control method and system |
| CN106530758A (en) * | 2016-10-31 | 2017-03-22 | 安徽科力信息产业有限责任公司 | Method, apparatus and system for adjusting control parameter of annunciator automatically by using internet |
| CN106960584A (en) * | 2017-05-22 | 2017-07-18 | 中南大学 | A kind of traffic control method and device of self adaptation crossroad traffic signal lamp |
| CN106960584B (en) * | 2017-05-22 | 2019-09-20 | 中南大学 | A kind of traffic control method and device of adaptive crossroad traffic signal lamp |
| CN108389403A (en) * | 2018-04-23 | 2018-08-10 | 白冰 | The traffic lights and speed(-)limit sign intelligent adjusting method captured based on vehicle flowrate |
| CN114973708A (en) * | 2022-06-28 | 2022-08-30 | 杭州海康威视数字技术股份有限公司 | Traffic signal lamp control method and device and storage medium |
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Application publication date: 20160420 |